 
 
 
7.2.5  Numerator and denominator of a fraction
The f2nd or
fxnd command finds
the numerator and denominator of a fraction.
- 
f2nd takes
r, a fraction.
- f2nd(r) returns the list of the
numerator and denominator of r after it has been reduced to lowest
terms. (For rational expressions see Section 11.6.5).
Example
 
 
